142. Silver cited Gravis in an article on Saturday as evidence of the Romney "bump"

There were few state polls published on Saturday, but a Gravis Marketing poll of Colorado also showed a sharp reversal toward Mr. Romney. He led in its newest survey, which was conducted on Thursday after the debate, by 3.5 percentage points. Although Gravis Marketing polls have had a very strong Republican lean so far this cycle, the trend in the poll is nevertheless extremely favorable for Mr. Romney, since he had trailed Mr. Obama by roughly five percentage points in a poll it conducted in September.